*{margin:0;padding:0;box-sizing:border-box}.game-container{width:100%;height:100vh;flex:1;padding:0;position:relative}.game-box,.game-container{justify-content:center;align-items:center;display:flex;flex-direction:column}.game-box{flex-wrap:wrap;max-width:400px;width:380px;height:400px;border:none;border-radius:10px;box-shadow:0 0 5px;gap:40px;background-color:#22303C}.game-title{font-size:40px}.game-subtitle,.game-title{font-weight:700;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#fff;text-shadow:none}.game-subtitle{font-size:20px}.input-number[type=number]{width:300px;max-width:320px;height:40px;padding:10px;border:1px solid #fff;color:#fff;border-radius:10px}.check-btn{width:135px;height:40px;color:#fff;font-weight:700;border:none;border-radius:10px;background:rgb(41,41,247);cursor:pointer}.check-btn:hover{transform:scale(1.05);transition:transform .5s}.result-text{font-size:18px;color:#fff;font-weight:700}